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Another dup1 test

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This commit is contained in:
Adam
2015-10-03 12:48:51 -04:00
parent fb10ab8daa
commit f6f487ad6d
3 changed files with 114 additions and 34 deletions
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5
src/main/java/net/runelite/deob/attributes/code/instructions/IAdd.java
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@@ -17,6 +17,11 @@ public class IAdd extends Instruction
{
super(instructions, type, pc);
}
public IAdd(Instructions instructions)
{
super(instructions, InstructionType.IADD, -1);
}
@Override
public void execute(Frame frame)

30
src/test/java/net/runelite/deob/ClassGroupFactory.java Normal file
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@@ -0,0 +1,30 @@
package net.runelite.deob;
import net.runelite.deob.attributes.Attributes;
import net.runelite.deob.attributes.Code;
import net.runelite.deob.signature.Signature;
public class ClassGroupFactory
{
public static ClassGroup generateGroup()
{
ClassGroup group = new ClassGroup();
ClassFile cf = new ClassFile(group);
cf.setName("test");
cf.setSuperName("java/lang/Object");
group.addClass(cf);
Methods methods = cf.getMethods();
Method method = new Method(methods, "func", new Signature("()V"));
method.setStatic();
methods.addMethod(method);
Attributes methodAttributes = method.getAttributes();
Code code = new Code(methodAttributes);
methodAttributes.addAttribute(code);
return group;
}
}

113
src/test/java/net/runelite/deob/deobfuscators/arithmetic/MultiplicationDeobfuscatorTest.java
View File

@@ -1,15 +1,13 @@
package net.runelite.deob.deobfuscators.arithmetic;
import net.runelite.deob.ClassFile;
import net.runelite.deob.ClassGroup;
import net.runelite.deob.ClassGroupFactory;
import net.runelite.deob.Deobfuscator;
import net.runelite.deob.Method;
import net.runelite.deob.Methods;
import net.runelite.deob.attributes.Attributes;
import net.runelite.deob.attributes.Code;
import net.runelite.deob.attributes.code.Instruction;
import net.runelite.deob.attributes.code.Instructions;
import net.runelite.deob.attributes.code.instructions.Dup_X1;
import net.runelite.deob.attributes.code.instructions.IAdd;
import net.runelite.deob.attributes.code.instructions.IConst_0;
import net.runelite.deob.attributes.code.instructions.IConst_3;
import net.runelite.deob.attributes.code.instructions.ILoad;
@@ -19,40 +17,11 @@ import net.runelite.deob.attributes.code.instructions.LDC_W;
import net.runelite.deob.attributes.code.instructions.Pop;
import net.runelite.deob.attributes.code.instructions.VReturn;
import net.runelite.deob.execution.Execution;
import net.runelite.deob.signature.Signature;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class MultiplicationDeobfuscatorTest
{
private ClassGroup group;
private Code code;
private Instructions ins;
@Before
public void init()
{
group = new ClassGroup();
ClassFile cf = new ClassFile(group);
cf.setName("test");
cf.setSuperName("java/lang/Object");
group.addClass(cf);
Methods methods = cf.getMethods();
Method method = new Method(methods, "func", new Signature("()V"));
method.setStatic();
methods.addMethod(method);
Attributes methodAttributes = method.getAttributes();
code = new Code(methodAttributes);
methodAttributes.addAttribute(code);
ins = code.getInstructions();
}
// aload 2
// ldc_w 1587543155
// iload 4
@@ -65,8 +34,12 @@ public class MultiplicationDeobfuscatorTest
// imul
// putstatic class29/field949 I
@Test
public void testDupX1()
public void testDupX1_1()
{
ClassGroup group = ClassGroupFactory.generateGroup();
Code code = group.findClass("test").findMethod("func").getCode();
Instructions ins = code.getInstructions();
code.setMaxStack(5);
// vars[0] = 3
@@ -116,4 +89,76 @@ public class MultiplicationDeobfuscatorTest
Assert.assertEquals(1, constant2.getConstantAsInt());
Assert.assertEquals(-1_095_175_765, constant3.getConstantAsInt());
}
// aload_0
// dup
// getfield class118/field2201 I
// ldc_w -2079217519
// imul
// ldc -2079217519
// iadd
// dup_x1
// ldc_w 561453169
// imul
// putfield class118/field2201 I
// ldc 561453169
// imul
@Test
public void testDupX1_2()
{
ClassGroup group = ClassGroupFactory.generateGroup();
Code code = group.findClass("test").findMethod("func").getCode();
Instructions ins = code.getInstructions();
code.setMaxStack(4);
// vars[0] = 3
Instruction[] prepareVariables = {
new IConst_3(ins),
new IStore_0(ins)
};
for (Instruction i : prepareVariables)
ins.addInstruction(i);
LDC_W constant1 = new LDC_W(ins, -2079217519),
constant2 = new LDC_W(ins, -2079217519),
constant3 = new LDC_W(ins, 561453169),
constant4 = new LDC_W(ins, 561453169);
Instruction body[] = {
new IConst_0(ins), // for dup_x1 to place before this
new ILoad(ins, 0),
constant1,
new IMul(ins),
constant2,
new IAdd(ins),
new Dup_X1(ins), // result, 0, result
constant3,
new IMul(ins),
new Pop(ins),
new Pop(ins),
constant4,
new IMul(ins),
new VReturn(ins)
};
for (Instruction i : body)
ins.addInstruction(i);
Execution e = new Execution(group);
e.populateInitialMethods();
e.run();
assert constant1.getConstantAsInt() * constant3.getConstantAsInt() == 1;
assert constant2.getConstantAsInt() * constant4.getConstantAsInt() == 1;
Deobfuscator d = new MultiplicationDeobfuscator();
d.run(group);
Assert.assertEquals(1, constant1.getConstantAsInt());
Assert.assertEquals(1, constant2.getConstantAsInt());
Assert.assertEquals(1, constant3.getConstantAsInt());
Assert.assertEquals(1, constant4.getConstantAsInt());
}
}